MLA
Portrait of a Man in a Suit and a Woman in a Dress and Earrings, Mounted on Colored Paper. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8. https://digital.library.emory.edu/purl/938jdfn343-cor.
APA, 6th edition
Portrait of a man in a suit and a woman in a dress and earrings, mounted on colored paper (Box 8). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/938jdfn343-cor.
Chicago
“Portrait of a Man in a Suit and a Woman in a Dress and Earrings, Mounted on Colored Paper.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 8. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/938jdfn343-cor.